3ECS	Translation	date	Sep 01, 2008
title	Crystal Structure Of Human Eif2b Alpha
authors	T.B.Hiyama, T.Ito, S.Yokoyama, Riken Structural Genomicsproteo Initiative (Rsgi)
compound		source
Molecule: Translation Initiation Factor Eif-2b Subunit Alph Chain: A, B, C, D, E, F, G, H Synonym: Eukaryotic Translation Initiation Factor 2b Alpha, Gdp-Gtp Exchange Factor Subunit Alpha; Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Escherichia Coli Bl21 Expression_system_taxid: 511693 Expression_system_strain: Bl21-Codonplus(De3)-Ril Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet22b
symmetry	Space Group: P 1 21 1	R_factor 0.214 R_Free 0.273
crystal cell	length a length b length c angle alpha angle beta angle gamma 70.885 156.394 138.441 90.00 104.20 90.00
method	X-Ray Diffraction	resolution	2.65 Å
ligand	CL, MSE, SO4	enzyme
Gene Ontology	Chain Function Process Component F, A, E, B, H, C, D, G
Primary reference	Crystal Structure of the alpha Subunit of Human Translation Initiation Factor 2B., Hiyama TB, Ito T, Imataka H, Yokoyama S, J Mol Biol. 2009 Jul 23. PMID:19631657

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (375 Kb) [Save to disk] Biological Unit Coordinates (3ecs.pdb1.gz) 365 Kb LPC: Ligand-Protein Contacts for 3ECS CSU: Contacts of Structural Units for 3ECS Structure Factors (662 Kb) Retrieve 3ECS in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3ECS from S2C, [Save to disk] Re-refined 3ecs structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3ECS in 3D

Proteopedia, because life has more than 2D. On Jmol, a nice Rasmol like molecule viewer. This is good for easiest viewing of basic structure. On FirstGlance, an excellent tool for a guided tour on the structure components, by E. Martz.

Visual 3D analysis of 3ECS

Ramachandran plot from PDBSum

Structure-derived information

Electron Density related parameters from EDS Electron Density Server, at Upsala Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 3ECS, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3ecs_D] [3ecs_C] [3ecs_G] [3ecs_F] [3ecs] [3ecs_B] [3ecs_H] [3ecs_A] [3ecs_E] SWISS-PROT database: [Q14232] Domain organization of [EI2BA_HUMAN] by SWISSPFAM

Other resources with information on 3ECS

Community annotation for 3ECS at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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